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The Secretary for Security (Chinese: 保安司司长; Portuguese: Secretaria para a Segurança) is the director of the government department responsible for public safety and security in Macau. The role replaced the former post of Secretary for Public Security. It is responsible for managing the Macau public security and police agencies.

The following entities are controlled under the MSF:

• Unitary Police Services [zh]
  • Public Security Police Force
    • Immigration Department of the Macao Special Administrative Region is a sub unit under Public Security Police Force
  • Directorate of Judiciary Police [zh]
• Public Security Forces Affairs Bureau
• Correctional Services Bureau
• Fire Services Bureau
• Academy for Public Security Forces
• Macau Customs Service

• José Proença Branco - Unitary Police Service
• Chôi Lai Hang - Director General of the Macau Custom Service
  • Lai Man Wa - Deputy Director General of the Customs Service
• Lei Siu Peng - Public Security Police
  • Ma Io Kun - Deputy Commissioner Public Security Police
  • Lei Man Kim - Deputy Commissioner Public Security Police
• Wong Sio Chak - Director, Judiciary Police
  • Cheong Ioc Iong - Deputy Director, Judiciary Police
  • João Augusto da Rosa, Judiciary Police
• Lee Kam Cheong - Director, Macau Prison
• Loi Kam Wan - Commissioner of Macau Fire Service
  • Eurico Lopes Fazenda - Deputy Commissioner Macau Fire Service
  • Lei Pun Chi - Deputy Commissioner Macau Fire Service

The Secretariat's offices are located at the former San Francisco Barracks located near to what is now S. Francisco Garden.

• Vong Chun Fat